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Swimming Pools Design and Construction Fourth Edition

The fourth edition of this classic book provides a comprehensive treatise on the design and construction of swimming pools both public and private. Significantly revised it covers planning materials design construction and finishing water circulation and treatment energy conservation maintenance and repairs. This is a standard book for all civil engineers who need to design and construct swimming pools and a useful reference on the design of water-retaining structures. | Swimming Pools Design and Construction Fourth Edition

GBP 59.99

1

Dellonda 1L Cartridge Cleaner for Hot Tubs Spas & Pools

Easily removes oils and greases from filter cartridges. Reduces the need to change your filter so frequently. All makes and models of hot tubs and pools. MAINTAINS WATER QUALITY - Easily removes oils and greases from filter cartridges. INCREASES FILTER LIFESPAN - Reduces the need to change your filter so frequently. SUITABLE FOR - All makes and models of hot tubs and pools.

GBP 17.99

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1kg Alkalinity Increaser for Hot Tubs Spas & Swimming Pools

Designed for increasing total alkalinity of water. Helps with the control of the pH levels. Great for soft water conditions. Suitable for all makes and models of hot tubs and pools. CONTROL ALKALINE LEVELS - Designed for increasing total alkalinity of water. KEEPS WATER SAFE - Helps with the control of the pH levels. IMPROVED SOFTNESS - Great for soft water conditions. SUITABLE FOR - All makes and models of hot tubs and pools.

GBP 0.00

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Dellonda 1kg Chlorine Mini Tabs for Hot Tubs Spas & Swimming Pools

Designed to control and monitor chlorine levels. Use to disinfect water in hot tubs, spas and swimming pools. Tablets dissolve slowly over a period of time for a steady flow of chlorine in to the water and specifically formulated for the disinfection of Spa, Hot Tub Water and Swimming pools. These tablets are best used in a floating dispenser. DESIGNED TO MAINTAIN WATER CLEANLINESS & SAFETY - Control and monitor chlorine levels. Use to disinfect water in hot tubs, spas and swimming pools. EASY TO USE - Tablets dissolve slowly over a period of time for a steady flow of chlorine in to the water and specifically formulated for the disinfection of Spa, Hot Tub Water and Swimming pools. SUITABLE FOR FLOATING DISPENSERS - These tablets are best used in a floating dispenser.

GBP 24.99

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Dellonda 1kg Chlorine Granules for Hot Tubs Spas & Swimming Pools

Kills bacteria and eliminates harmful organisms to ensure your hot tub or swimming pool is safe to use for the whole family. Granules are completely soluble and have minimal impact on pH levels while dissolving much faster than tablets. Use to stabilise your pools chlorine levels, keeping your hot tub or pool safe and allowing more time to be enjoyed in the water. Suitable for all makes and models of hot tubs, spas and swimming pools. KEEPS WATER SAFE - Kills bacteria and eliminates harmful organisms to ensure your hot tub or swimming pool is safe to use for the whole family. MAINTAINS PH LEVELS - Granules are completely soluble and have minimal impact on pH levels while dissolving much faster than tablets. CONTROL CHLORINE LEVELS - Use to stabilise your pools chlorine levels, keeping your hot tub or pool safe and allowing more time to be enjoyed in the water. SUITABLE FOR - All makes and models of hot tubs, spas and swimming pools.

GBP 21.99

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Intex Eco-Friendly Solar Heating Mat for Swimming Pools #28685

Eco-friendly Solar technology that increases the temperature of the pool water by approximately 3-5deg depending on the size of pool and weather conditions. Suitable for above ground pools with a capacity less than 30,280L (8,000gals). Mats can be joined together for bigger pools. Simply attach to a filter pump with flow rate less than 2,500gph (9,463L/h) 1m x 1m surface to absorb sun's rays Dimensions before filling 1.20m x 1.20m. Includes 32mm hose attachment points and 2 B adapters for use with 38mm hoses.

GBP 29.99

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Bestway 2.8KW Heater for Pools up to 15-Feet

Ideal for use with pools 15 feet or smaller Must be used in conjunction with a filter pump or sand filter with a flow rate of up to 3,785 L/h (1,000 g/h) (not supplied) 220-240 V, energy: 2,800 W at 20 degrees Cable length: 4 m approximately Dimensions (height x length x depth): 25 x 48 x 29 cm

GBP 119.59

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Dellonda Swimming Pool Ground Sheet for DL19 and Similar Sized Pools

Suitable for Dellonda Model No. DL19 or any pool of similar size. This hard-wearing ground sheet is placed under the pool and can assist in extending the life of the pool by reducing the damage on the pools bottom caused by stones or debris. The ground sheet is made from high quality, safe, UV treated and durable materials. Can be used for other purposes when not applied as a pool ground sheet. Can be easily folded and put away when not in use. Dimensions - 330cm. SUITABLE FOR - Dellonda Model No. DL19 or any pool of similar size. OFFERS STRONG PROTECTION - This hard-wearing ground sheet is placed under the pool and can assist in extending the life of the pool by reducing the damage on the pools bottom caused by stones or debris. HIGH QUALITY MATERIALS - The ground sheet is made from high quality, safe, UV treated and durable materials. WATERPROOF & VERSATILE - Can be used for other purposes when not applied as a pool ground sheet. EASY TO USE AND STORE - Can be easily folded and put away when not in use. DIMENSIONS 330cm.

GBP 32.99

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Dellonda Swimming Pool Ground Sheet for DL18 & DL20 and Similar Sized Pools

Suitable for Dellonda Model No's DL18 and DL20 or any pool of similar size. This hard-wearing ground sheet is placed under the pool and can assist in extending the life of the pool by reducing the damage on the pools bottom caused by stones or debris. The ground sheet is made from high quality, safe, UV treated and durable materials. Can be used for other purposes when not applied as a pool ground sheet. Can be easily folded and put away when not in use. Dimensions 478cm. SUITABLE FOR - Dellonda Model No's DL18 and DL20 or any pool of similar size. OFFERS STRONG PROTECTION - This hard-wearing ground sheet is placed under the pool and can assist in extending the life of the pool by reducing the damage on the pools bottom caused by stones or debris. HIGH QUALITY MATERIALS - The ground sheet is made from high quality, safe, UV treated and durable materials. WATERPROOF & VERSATILE - Can be used for other purposes when not applied as a pool ground sheet. EASY TO USE AND STORE - Can be easily folded and put away when not in use. DIMENSIONS 478cm.

GBP 49.99

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Bestway Flowclear Swimming Pool Cover for Power Steel Rectangular Pools, 13.3 ft

Keep your pool free from dirt and debris Fits 4.04 m x 2.01 m x 1.00 m (13 ft 3 Inch x 6 ft 7 Inch x 39.5 Inch) and 4.12 m x 2.01 m x 1.22 m (13 ft 6 Inch x 6 ft 7 Inch x 48 Inch) power steel pools Drain holes prevent water from accumulating Pool cover offers protection and also helps keep your pool insulated for better heat efficiency Includes ropes for securely attaching the cover to your pool

GBP 16.69

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1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g

4-IN-1 TABLETS (50 X 20G): sanitise and stabilise your water whilst reducing/preventing algae growth and clearing cloudy water EASY TO USE: by placing the tablets in a floating dispenser or chlorine feeder (such as ChemConnect) for slow release rather than being applied directly to water SLOW RELEASE: chlorine tablets will slowly erode over 3-5 days for long lasting application GREAT FOR HOT TUBS AND POOLS: these chemicals are designed to be used with hot tubs, paddling pools and above ground pools CLEAR INSTRUCTIONS PROVIDED: on the packaging for easy-to-follow guidance and hassle-free application BISHTA APPROVED CHEMICALS: Clearwater is BISHTA approved and recommended by brands such as Bestway and Lay-Z-Spa for reliable, safe and high-quality water treatment

GBP 13.90

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TDS-H1A Portable Water Testing Kit for Drinking Water, Aquariums / Pools

TDS-H1A TDS Meter Digital Water Quality Tester / Portable Water Testing Kit for Drinking Water, Aquariums / Pools\n\nEnsure safe and reliable water quality with the TDS-H1A TDS Meter. Designed to measure Total Dissolved Solids (TDS) with precision, this portable device helps you determine water purity at a glance. Whether you’re testing your drinking water, maintaining aquarium conditions, or balancing pool chemicals, the TDS-H1A provides quick and accurate results for greater peace of mind.\n\nKey Features\n- Accurate TDS Measurement: Delivers precise readings for total dissolved solids, allowing you to gauge water purity or contamination levels. \n- Digital Display: A clear, easy-to-read screen shows results instantly, simplifying your testing process. \n- Compact / Portable: Lightweight design fits easily in a pocket or toolkit, making it convenient for home, lab, or field testing. \n- Simple Operation: One-button functionality ensures fast and hassle-free measurements—perfect for beginners and experts alike. \n- Versatile Applications: Ideal for drinking water, aquariums, pools, spas, hydroponics, and other water-based environments.\n\nSpecifications:\n- Product function: Test TDS value\n- Measurement range: 0-9990ppm\n- Working environment: 0-60C\n- Product battery: 2*1.5V (button battery), 130mAh\n- Product probe: alloy probe\n- Product size: 140*24*14.5mm\n\nIdeal Examples of Usage\n- Drinking Water Checks: Monitor tap, bottled, or well water quality to ensure it meets safety standards. \n- Aquarium Maintenance: Maintain healthy aquatic life by keeping track of dissolved minerals and other substances. \n- Pools / Spas: Quickly assess pool chemistry, helping you balance chemicals for crystal-clear water and safe swimming. \n- Hydroponic Systems: Keep nutrient solutions in the optimal range for vigorous plant growth. \n- Lab / Educational Use: Demonstrate water-testing principles or conduct precise experiments in classroom and research settings.\n\nWhy This Product Is Perfect to Buy\nThe TDS-H1A TDS Meter combines accuracy, portability, and user-friendly design—crucial elements for effective water testing. Its straightforward operation is accessible to novices, yet advanced enough for professionals who demand reliable data. With this versatile tool, maintaining safe and healthy water becomes a breeze, whether for personal, commercial, or educational purposes.\n\nInteresting Facts About TDS Meters\nTDS meters measure the electrical conductivity of water to estimate dissolved solids—ranging from salts and minerals to metals and organic substances. Originally confined to laboratory settings, modern advancements have made TDS meters smaller, more affordable, and widely accessible. Today, they’re a staple in various fields, helping individuals and professionals alike ensure that water remains within desired purity or contamination thresholds.\n\nPacking: Euroblister

GBP 8.60

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Clearwater 5kg Chlorine Granules - Disinfectant for Pools and Lay-Z-Spas

DISINFECT POOL AND HOT TUB WATER: with these stabilised chlorine granules - free active chlorine (FAC) to maintain a healthy swimming environment KILL BACTERIA AND ELIMINATE HARMFUL ORGANISMS: so your spa or pool water stays hygienic and healthy FAST DISSOLVING GRANULES: get to work instantly - no more waiting around for hours for tablets to dissolve STABILISE CHLORINE LEVELS: to help ensure your water chlorine level stays between 1-3 mg/litre (ppm) for pools and 3-5 mg/Litre (ppm) for hot tubs EASY TO FOLLOW INSTRUCTIONS: included with the granules help you select the correct amount to apply for the desired increase in chlorine level BISHTA APPROVED CHEMICALS: Clearwater is BISHTA approved and recommended by brands such as Bestway and Lay-Z-Spa for reliable, safe and high-quality water treatment

GBP 27.39

1

Playhouse - Water Slide with Splash Pools and Dual Slides - Savings Store

Prepare for a water adventure as kids dive into the thrilling water slide. Conquer new heights with the climbing wall, unleashing a sense of triumph as they reach the top. Its dual slides have 31cm high handrails and will ensure a safe sliding. Double the fun with not just one, but 2 splash pools, offering refreshing waters to cool off and make a splash. Get ready for a friendly water war with the water cannon, allowing kids to aim their friends with playful streams. Explore hidden treasures within the cave crawling game, or ignite their competitive spirit with the exciting ring toss challenge. Crafted with utmost durability, the water park features wear-proof dense mesh and 420D PVC-coated oxford cloth. Meanwhile, it has an exquisite workmanship to avoid tear.

GBP 347.89

1

Outsunny Cartridge Filter Pump for 13'-15' Above Ground Pools

Keep pool water crystal clear and sparkling clean. Use our Outsunny filter. The inner pleated filter removes dirt, debris and other unwanted particles, leaving you with a clean and healthy swimming environment. Say goodbye to cloudy and murky pool water, and hello to a fresh pool, all year round. Features: Pleated structure of the filter cartridge ensures effective filtering For 4-4.5 metre/13'-15' above ground pools Suitable Outsunny pool SKU: X-848-016 Recommended to replace the filter cartridge every 1-2 months Comes with two hoses and hose clamps for easy setup Specification: Colour: White Material: PP, PE Overall Dimension:?18 x 28H cm Filter Cartridge:?106 x 136H mm Flow Rate: 3028 L/h (800gal/h) Rated Power: 60W Rated Voltage: AC 220-240V Hose:?3.2 x 100H cm Power Cord Length: 2m Certification: CE-LVD, EMC, ROHS Item Label: 848-050V71WT Package Includes: 1 x Filter Pump 2 x PE Hose 1 x Manual

GBP 39.99

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Pool Covers 2 pcs for 300 cm Round Above-Ground Pools - Brittle & Co

These pool covers are designed for the round, above-the-ground swimming pools. They will keep your pool free of dirt insects and debris when it is not in use. Made of polyethylene, the pool cover weighs 90 g/sqm, which is tear-resistant and water-repellent. Thanks to the small drain holes in the middle, the pool cover allows rain water to go through instead of accumulating on top. The small drain holes also create ventilation. The quality stitching on the edge of the cover ensures its years of service! The cover can be fixed to the pool by pulling the rope and fastening the cover, very easy to use!

GBP 50.75

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Pool Covers 2 pcs for 450-457 cm Round Above-Ground Pools - Merkel Designers

These pool covers are designed for the round, above-the-ground swimming pools. They will keep your pool free of dirt insects and debris when it is not in use. Made of polyethylene, the pool cover weighs 90 g/sqm, which is tear-resistant and water-repellent. Thanks to the small drain holes in the middle, the pool cover allows rain water to go through instead of accumulating on top. The small drain holes also create ventilation. The quality stitching on the edge of the cover ensures its years of service! The cover can be fixed to the pool by pulling the rope and fastening the cover, very easy to use!

GBP 67.29

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Pool Covers 2 pcs for 360-367 cm Round Above-Ground Pools - Sid & Sam

These pool covers are designed for the round, above-the-ground swimming pools. They will keep your pool free of dirt insects and debris when it is not in use. Made of polyethylene, the pool cover weighs 90 g/sqm, which is tear-resistant and water-repellent. Thanks to the small drain holes in the middle, the pool cover allows rain water to go through instead of accumulating on top. The small drain holes also create ventilation. The quality stitching on the edge of the cover ensures its years of service! The cover can be fixed to the pool by pulling the rope and fastening the cover, very easy to use!

GBP 49.85

1

20cm Blue Protective Tarpaulin Cover for Rectangular 450 X 220cm Frame Pools

FEATURES: You can prevent the leaves/insects from settling by the pool and also reduce the evaporation of the water, so you can always have clean and warm water. EASY TO USE: The swimming pool cover is foldable, easy to install and remove, and easy to move to any place. OTHER USES: The swimming pool cover can not only be used in the family outdoor frame swimming pool and above-ground swimming pool, but also can be used as a protective cover for other things that need to be protected for e.g. car, bike, garden patio furniture etc. HIGH-QUALITY MATERIAL: The swimming pool cover is made of vinyl material, which is safe and durable; the waterproof swimming pool cover can extend the life of the swimming pool and save you unnecessary waste of money. DIMENSIONS: 460 x 230 x 20 cm; Ideal for rectangular pools measuring 450 x 220 cm. The tarpaulin is also equipped with small drainage holes to prevent water build-up.

GBP 17.49

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4.2m Dark Blue Protective Tarpaulin Cover for Round Easy Set 15” Pools

FEATURES: You can prevent the leaves/insects from settling by the pool and also reduce the evaporation of the water, so you can always have clean and warm water. EASY TO USE: The swimming pool cover is foldable, easy to install and remove, and easy to move to any place. OTHER USES: The swimming pool cover can not only be used in the family outdoor frame swimming pool and above-ground swimming pool, but also can be used as a protective cover for other things that need to be protected for e.g. car, bike, garden patio furniture etc. HIGH-QUALITY MATERIAL: The swimming pool cover is made of high-quality polyethylene material, which is safe and durable; the waterproof swimming pool cover can extend the life of the swimming pool and save you unnecessary waste of money. DIMENSIONS: 4.2m, Overlap: 30 cm; Ideal for round easy set pools measuring 15”. The tarpaulin is also equipped with small drainage holes to prevent water build-up.

GBP 18.39

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Playhouse - Inflatable Red Crab-themed Water Slide Park with Slide and Splash Pools - Savings Store

Create an unforgettable backyard adventure with this Red Crab Themed Inflatable Water Park. This unique water park is designed to provide endless fun for kids of all ages. With its captivating red crab theme, multiple play options, durable construction, and safety features, it's the perfect addition to any outdoor space. Watch as your children's faces light up with joy as they slide down the surf slides, splash in the pools, and play with the extra ocean balls. Made from high-quality oxford cloth and featuring double stitching, this water park is built to withstand the test of time. Safety is this top priority, with raised handrails, all-around mesh walls, and secure ground stakes. Plus, the complete accessory package ensures convenience and ease of use.

GBP 139.15

1

Dellonda 1L Spa Sparkle for Hot Tubs Spas & Pools

Designed to to add lustre and clarity to spa and pool water. You will get more enjoyement from your hot tub or swimming pool with the knowledge that your water is clean, fresh and beautifully glistening. SPARKLY & FRESH - Designed to to add lustre and clarity to spa and pool water. ENHANCED EXPERIENCE - You will get more enjoyement from your hot tub or swimming pool with the knowledge that your water is clean, fresh and beautifully glistening.

GBP 17.99

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8-in-1 Tropical Inflatable Bounce House with 2 Ball Pit Pools - Savings Store

You are sure to have such a funny and cute inflatable bounce house in your yard! The typical palm tree creates an impressive tropical island to entertain kids a lot. With a soccer ball gate, funny volleyball gate, and challenging basketball hoop, the inflatable castle arouses kids' sports interest and benefits their growth. Moreover, the bouncer comes with a wide slide and a large jumping area for endless hours of fun, which is well protected by the intimate inflated surface and ventilated mesh walls. The combination of dual ball pit pools, tunnel and ring-toss allows your kids to immerse in a better game experience. With the powerful air blower to blow up the bouncer, kids are ready to have fun in minutes! Note: 1. The product needs a constant supply of air from the blower (which inevitably produces some noise). It is normal that some air comes from the fabric surface and seams. 2. Please make sure the product is completely dry before storage. 3. Please keep it in a dry and ventilated place when not in use. Bullet Point: Attractive Palm Theme Appearance: The inflatable castle imitates the look of palm trees to create a unique tropical island to catch kids' attention. Plus, the giant jumping house (overall size: 468 x 406 x 240 cm) is ideal for various outdoor occasions, and can accommodate 4 kids to play together(total: 180 kg, individual: under 45 kg). Explore Sports Entertainment: The bounce house integrates a basketball rim, soccer gate and funny volleyball gate to inspire kids' interest in sports. Meanwhile, the huge jumping area, long slide and 2 large ball pit areas bring continuous happiness to kids while the ring-toss game and tunnel entertain them a lot. Safe and Durable Bounce House: Made of premium Oxford cloth with fine sewing, the bouncy house is not easy to wear or tear even after longtime use. With an all-around mesh wall, kids will keep jumping in a safe zone and parents can observe them conveniently. The heightened guardrails also highly improve safety. Quick Inflation and Easy Storage: Equipped with a powerful 680W blower, the bouncer can be easily inflated in a few minutes. And it needs the constant blower to stay inflation. After use, you can turn off the blower to quickly deflate and then store it in the carrying bag for next use. A Full Set of Accessories: In addition to the 680W blower, the complete accessories include 6 ground stakes, 1 repair kit, 50 ocean balls and 1 carrying bag. Ground stakes help you fix the bounce house for higher stability and the repair kit is prepared in case of any uncertain damage.

GBP 366.49

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Pool Coverfor 450-457 cm Round Above-Ground Pools - Design Hut

Our pool cover is designed for the round, above-the-ground swimming pool. It will keep your pool free of dirt insects and debris when it is not in use. Made of high quality polyethylene, our pool cover weighs 90 g/sqm, which is tear-resistant and water-repellent. Thanks to the small drain holes in the middle, our pool cover allows rain water to go through instead of accumulating on top. The small drain holes also create ventilation. The quality stitching on the edge of the cover ensures its years of service! The cover can be fixed to the pool by pulling the rope and fastening the cover, very easy to use!

GBP 33.65

1

Bestway 16 feet Solar Swimming Pool Cover

Bestway 16 feet Solar Swimming Pool Cover Size 4.62 m (182 Inch) - fits 5.49 m (18 ft) fast set pools and 4.88 m (16 ft) power steel frame pools and 4.57 m (15 Inch) steel pro frame pools Cover floats on water surface to provide heat insulation Prevents dirt and debris accumulating in your pool All durable material AND Carry bag included

GBP 40.99

1

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